Techniques for Restoring Telecom after Disasters & Outages

8/6/2019 Techniques for Restoring Telecom after Disasters & Outages

http://slidepdf.com/reader/full/techniques-for-restoring-telecom-after-disasters-outages 1/45

M A R K R E Y N O L D S , U N I V E R S I T Y O F N E W M E X I C O

T I M R U F F , T E L E C O M R E C O V E R Y

Techniques for Restoring Telecomafter Disasters & Outages



3



The Problem4

Incoming local DIDs

Incoming toll-free numbers Outbound dial tone



1970 1975 1980 1985 1990 1995 2000 2004

Droughts

Floods

Earthquakes

Epidemics

Slides

Volcanic eruptions

Wild fires

Wind Storms

Insect infestation

Source: EM-DAT : The OFDA/CRED International Disaster Database

http://www.em-dat.net, UCL - Brussels, Belgium

http://www.em-dat.net/






Uh-

6



Common Causes of Phone Outages

Equipment failure Power outage

New Installation

Moving

Water leak

Animals

Cable cut Wiring short

Technician mistake

Winter storm

Accidents



October 17, 1989 4:00 PM



October 17, 1989 6:00 PM



Silicon Valley, April 9, 2009

1:30 AM Vandals sever major fiber backbone withhacksaws

AT&T, Verizon, Sprint down

Landlines, cellular, internet down No 9-1-1 service, no credit cards

Lasted 14 hours



Pandemic Quarantine

United States H1N1 stats as of 10/17/09:

98,000 hospitalizations

3,900 deaths

What if the next strain is more severe? Are you prepared to have some/most/all employees work from home?



The 6 Vulnerabilities of Telecommunications

LocalCarrier

Long Dist.Carrier

12



Vulnerability 1: Equipment Failure

LocalCarrier

Long Dist.Carrier

13



Vulnerability 2: Power

LocalCarrier

Long Dist.Carrier

14



Vulnerability 3: Last Mile (cable cut)

LocalCarrier

Long Dist.Carrier

15



Vulnerability 5: Long Distance Carrier

Long Dist.Carrier

LocalCarrier

17



Vulnerability 6: Evacuation / Quarantine

LocalCarrier

Long Dist.Carrier

18



The 6 Vulnerabilities of Telecommunications19

1. Equipment failure

2. Power outage

3. Last mile (cable cut)

4. Local carrier failure/congestion5. Long distance carrier failure/congestion

6. Evacuation/pandemic quarantine



20

QwestBCR

Qwest

(505) 272-XXXX Hospital

Dept.Cell

Phones



21

Good:

Can divert calls after any failures except carrierfailures and congestion

Not so good: Calls go direct to cell phones, no transfer, no

greeting, no centralized voicemail, no attendant, etc.



Qwest

UNM New Recovery Plan22

Hospital(505) 272-XXXX



Qwest





Recovery server

Qwest





Recovery Server

Qwest

Internet






Recovery Server

Qwest

BCR

Qwest





Good:

Incoming calls get back into Hospital PBX

If PBX fails, calls get to same employees on cell, sat,

home, other locations, recordings, etc. Real-time control, unlimited flexibility

Backup dial tone using any broadband connection

Not so good:

Local numbers down if Qwest is down (toll-freenumbers recoverable regardless of Qwest failure)



The 13 Most Critical Mistakes

1. Underestimating the pain of outages

2.

3. Confusing outbound with inbound

4. Confusing disasters with outages5. Neglecting vulnerabilities

6. Inadequate mass communication

7. Inadequate control



The 13 Most Critical Mistakes

8. No satellite phone

9. Insufficient capacity

10. Reliance on hot site

11. Putting backup equipment on-premise12. Lack of testing

13. Spending too much



10 Low-Cost Improvements

1. Twitter/Facebook

2. Skype

3. MagicJacks

4. Create voluntary reimbursement agreements withemployees

5. Gather alternate phone #s, email



10 Low-Cost Improvements

6. Create Emergency section on website

7. Publish a toll-free hotline

8. Retain some POTS (copper) lines, wired outside the

phone system9.

carrier

10. Obtain GETS/WPS cards

(www.ncs.gov/services.html)



FAQs35

What if we already have a backup PBX?

What if we already have a SONET ring, SHARPS,SHINS, etc.?

What if we already have a mass notification system? What if we already have cell phones, radios, satellite

phones, etc.?



FAQs36

calls to you?

1. Neustar/Port DR 2. We need your help in pressuring carriers to adopt

Port DR!

3. Advantages of toll-free over local

4. Still need numbers loaded in a backup carrier

5. Still need a place to send the calls

6. Backup satellite T1 (for delivery & outbound)



Backup Satellite T1

Off-siteControl system

Public Phone

Network




Public Phone

Network

Backup Satellite T1




Public PhoneNetwork

Backup Satellite T1



FAQs43

calls to you?

How much does this cost?



What Next?

Determine what next steps to take.

Identify people involved in making and approving aplan.

Establish a project to implement the plan. Communicate and test the plan.

44



What are the questions?

What are the important numbers at the institutionthat should function during a disaster?

How will calls to the numbers identified above behandled?

Who would authorize and activate the emergency routing of numbers?

Who would administer and maintain the

information?

45

Techniques for Restoring Telecom after Disasters & Outages

Documents

Transcript of Techniques for Restoring Telecom after Disasters & Outages